Tonbridge preserved their unbeaten record – but didn’t hit the heights manager Jay Saunders was looking for. Angels shared a goalless draw with Bath at Longmead in National League South on Saturday. It was a fourth match without defeat for Saunders’ side although that run includes three successive draws. “I was disappointed with us today, to be honest with you,” said the Angels boss. “There’s always positives in a game – a clean sheet is a big positive, our first of the season. “I just thought we never got going in the first half. “We’ve got a lot of energy in our side and we looked a little b…